Posted on 18th January 2026
Expires on 19th March 2026
Negotiable
Join a rapidly growing Managed Services Provider delivering high-quality IT support, cloud solutions, cyber security services, and project consultancy. The company supports clients across London and surrounding counties, offering a dynamic environment where technical professionals can expand their skill set and progress their careers.
We are seeking a highly capable 3rd Line Support Engineer to serve as a senior escalation point for complex technical issues. This role suits someone who enjoys solving diverse challenges, working across a broad technical stack, and contributing to a fast-paced MSP environment.
Manage 3rd line escalations from 2nd line engineers, project teams, and account managers
Troubleshoot advanced issues across Microsoft 365, Azure, Windows Server, Hyper-V, VPN, Acronis, Veeam, and wider cloud infrastructure
Diagnose and fix network and hardware challenges, including firewalls, routers, switches, and on-premises servers
Support website hosting escalations, including DNS adjustments, CMS troubleshooting, and migration tasks
Share technical insights with the team and contribute to continuous improvement
Assist with the delivery of varied IT projects
Microsoft Azure administration, configuration, and troubleshooting
Microsoft 365 tenant setup and management, including Exchange Online and SharePoint Online
Strong understanding of Microsoft Hyper-V and virtualisation concepts
Experience with Acronis, Azure Backup, and similar backup technologies
Ability to configure and troubleshoot firewalls (WatchGuard, Unifi, SonicWall beneficial)
Familiarity with Defender for 365, spam filtering tools, and Cyber Essentials frameworks
Experience with antivirus solutions such as ESET
Confidence working with DNS changes, website migrations, and hosting troubleshooting
Proven experience delivering IT projects from start to finish
Strong MSP background with exposure across 1st to 3rd/4th line duties
Good knowledge of RMM tools and ticketing systems
At least two Microsoft certifications (e.g., MS-102, AZ-104)
A private and reliable home working environment with fast, stable internet (equipment provided)
Customer-focused, approachable, and passionate about delivering excellent service
Clear and confident communicator with professional English skills
Proactive, problem-solving mindset with strong attention to detail
Career-driven and looking for long-term growth within a progressive MSP